HAMBURG -- Pandatel AG, the professional network technology provider, is presenting its new C-MUX-155 optical multiplexer at this year's CeBIT trade fair in Hanover. Thanks to virtual concatenation (VCAT), this multiplexer supports not only the transmission of voice and data applications in the form of an integrated access device, but also individually tailored LAN-to-LAN services - in highly granular increments of speed up to STM-1/OC-3.

The C-MUX-155 is targeted primarily at carriers with SDH/SONET infrastructures who want to offer their customers tailormade Ethernet and voice services while at the same time making optimal use of their own network capacity. Large enterprises can also use the C?MUX-155 for interconnecting networks at different branches (whether 10 BaseT, 100 BaseT or 1GbaseT) and for the high-speed, cost-effective transmission of all LAN or voice traffic.

Being designed for voice transmission, SDH/SONET networks are not well-adapted for the really efficient transmission of data, e.g. Ethernet data. They transport the digital signals in static containers that allow very few increments in terms of bandwidth: in most cases only part of the SDH/SONET container is used during the transmission of Ethernet data, with the result that bandwidth is wasted and the Ethernet services are correspondingly cost-intensive.

The C-MUX-155 solves this problem by packing the flow of Ethernet data into virtual containers (VC-12/VT-1.5) and aggregating them - by means of virtual concatenation technology - into a single virtual container which fills the 155-Mbps SDH/SONET frame of an STM?1-/OC-3 line completely. Optimal use is made of the SDH/SONET connection's bandwidth, while at the same time the small size of the VC-12/VT-1.5 container permits a highly granular increase in the Ethernet bandwidth in 1-Mbps increments up to the FastEthernet speed of 100 Mbps. This means that a carrier can always provide its customers with the exact transmission capacity they require.

Pandatel AG